Trizetto Group Inc.

The Newport Beach Internet health care company incurred a first-quarter net loss of $17.9 million, or 50 cents a share, which included $18.2 million in nonrecurring acquisition and deferred stock compensation costs. The net loss for last year’s first quarter was $7.9 million, or 42 cents a share, which included $2.1 million in similar one-time costs. Revenue climbed to $46 million from $17.7 million.